Math 2270-3
Information for Chapter 3
Announcements
• Tuesday February 1 we are meeting in LCB 115 Computer Lab. Do not come to the
normal classroom. Make sure you have accessed your math computer account. Part of
the time will be a lecture and the rest will be the computer lab. All the files (including a
tutorial) are available on the course webpage under “Computer Projects.” I will not print
out a copy of these files.
• The math department has an undergraduate colloquium which you are encouraged to
attend. It is held each Tuesday at 12:55 in LCB 215. Refreshments (usually pizza) are
provided, and you can receive credit for attending. To see the schedule, go to the
following webpage: http://www.math.utah.edu/a/ugrad/colloquia.html
• The first exam is two weeks from today on February 10. The material covered will be
up to page 144, unless I make further announcement. I have not written the exam, but
you can expect a variety of problems: true/false, conceptual questions (For example, can
you explain why the inverse exists in rref(A) is the identity matrix?), computational
questions (Find a solution to the following system of equations), and perhaps a longer
question that sees if you can integrate the material covered thus far. More information
on the exam will follow next week. The book does have review questions at the end of
each chapter, and it bears looking over.
• I was impressed with the scores on the quiz and homework. A key for both will be put
up on the webpage soon. My writing may not be the best, so don't hesitate to ask if you
can't read my key or there are inconsistencies.
• Most everyone got Problem 1.2.32 incorrect. Be sure to read over my solution and talk
to me if you have questions. This is an important question, and one we will revisit
throughout the semester.
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We will stick to the following schedule for Chapter 3:
Tuesday 2/1: Computer lab, 3.1
Thursday 2/3: 3.2-3.3 Homework II Due
Tuesday 2/8: 3.4, Review Maple Project Due
Thursday 2/10: Exam II
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The homework for Chapter 3 is the following. Remember, problems in bold are to be
handed in—you are still responsible for the other problems.
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Homework for Chapter 3
3.1: 1,2,4,5,8,15,20,23,24,27,30,38,42,49
3.2: 3,10,16,19,31,37,42,45
3.3: 6,15,20,25,27,29,32,51,56,57
3.4: 2,3,11,17,25,27,30,33,35,37,39,51,52
I anticipate this homework to be due on February 15